1. Harm to human body:
dust pollutants in the air do harm to human body in many aspects, mainly manifested as respiratory diseases and physiological disorders, as well as irritation of the mucosal tissues such as the eyes and nose, resulting in physical decline due to insufficient lung qi.
2. Harm to plants:
Dust pollution in the air and other hazards to plants are very serious. When the concentration of pollutants is very high, it will cause acute harm to plants, causing lesions on the surface of plants' leaves, or directly causing leaves to wilt and fall off.